1. The first lesson in a series of work on level 6+ maths
KS2 Skills M A T H S
MIXED STARTER
Calculate the mean of these numbers:
6, 10, 5, 9, 4, 8
Convert 16kg into grams
Triangle ABC is isosceles. Calculate the value of x.
What are the first 5 multiples of 4?
The first lesson in a series of work on level 6+ maths xo
30o
LO: To find LCM’s and HCF’s

2. Number theory: Factors and multiples
31/12/2018
Core: will be able to display their working neatly and find factors and multiples.
Challenge: will be able to use terminology comfortably
Aspire: to find LCM’s and HCF’s in an efficient well present manner
Vivo Star: Display a high level of understanding including working efficiently
Keywords: Factor, Multiple, Prime, HCF and LCM
The first lesson in a series of work on level 6+ maths
LO: To find LCM’s and HCF’s

3. The number theory pyramidS
ACQUIRE FLUENCY
The sum of three different prime numbers is 40. What is the difference between the two biggest of these numbers? N 24
1,37
Factors of 37
1,11, 121
Factors of 121
1,3, 5, 15
Factors of 15
Explain what 37 can be categorised as given this results
The first lesson in a series of work on level 6+ maths
1, 8, 27, 64, 125,
The first 5 cube numbers
1, 3, 6, 10, 15, 21
Give the first 6 triangle numbers
1, 4, 9, 16, 25, 36, 49
The first 7 square numbers
4, 8, 12, 16, 20, 24, 28, 32
The first 8 multiples of 4
LO: To find LCM’s and HCF’s

4. The first lesson in a series of work on level 6+ maths
Factors M A T H S
TALK ABOUT IT
What numbers multiply to 12?
The first lesson in a series of work on level 6+ maths
These are the factors of 12
LO: To find LCM’s and HCF’s

5. The first lesson in a series of work on level 6+ maths
Lowest Common Multiple M A T H S
TALK ABOUT IT
Multiples of 3?
Multiples of 4?
The first lesson in a series of work on level 6+ maths
LO: To find LCM’s and HCF’s

6. The first lesson in a series of work on level 6+ maths
Highest Common Factor M A T H S
TALK ABOUT IT
Factors of 20?
Factors of 24 ?
The first lesson in a series of work on level 6+ maths
LO: To find LCM’s and HCF’s

7. The first lesson in a series of work on level 6+ maths
Number theory questions M A T H S
HAVE A GO
Write down all the factors of
(a) 20 (b) 30 (c) 32 (d) 48
Find the highest common factor (HCF) of
(a) 16 and 40 (b) 35 and 40
(c) 24 and 36 (d) 28 and 49
3. Find the lowest common multiple (LCM) of
(a) 5 and 6 (b) 4 and 6
(c) 6 and 8 (d) 3, 5 and 10
Two buses A and B depart from Workington station at 9am.
Bus B returns every 36 minutes and Bus A returns every 30
minutes. At what time after 9am are both buses at the station?
The first lesson in a series of work on level 6+ maths
LO: To find LCM’s and HCF’s

8. The first lesson in a series of work on level 6+ maths
An exam question in context M A T H S
SUM IT UP
A farmer has 40 cows, 72 sheep. He divides
these equally between his sons. What is the
greatest number of sons he could have?
The first lesson in a series of work on level 6+ maths
LO: To find LCM’s and HCF’s